Answer:
tesfa=12yo
Explanation:
father=48
mother=41
tesfa=12
48+41+12=101
his father's age= 4x
his mother's age= 4x- 7
his age= x
x+4x+4x-7=101
x+ 4x+ 4x= 101+ 7
9x= 108
=
x= 12
Tesfa is 12 years old
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